The National Weather Service opened August with an Extreme Heat Warning covering most of Southern California, forecasting highs between 95 and 110 degrees everywhere except the narrow coastal strip, with valley peaks reaching 106 to 110 and desert readings approaching 120. Adam's Pool and Spa Service notes that a heat event of that length does something to backyard pools that most owners never connect to the thermometer: it accelerates the wear on an aging plaster shell.
The mechanism is straightforward. Sustained heat drives evaporation, and evaporation leaves dissolved minerals behind in a shrinking volume of water. Calcium hardness climbs. At the same time, direct sun burns off free chlorine faster, so more sanitizer goes in, and the pH and alkalinity swing further and more often than they would in a mild week. A plaster surface sitting in water that moves through those swings several times a week is being chemically worked on the entire time.
On a newer surface that hardly matters. On a shell that is fifteen or twenty years old, it shows up quickly. Etching spreads across the floor and walls. Rough patches appear where the finish has thinned enough to expose the aggregate underneath. Stains set into the pores instead of brushing out. Owners often describe the pool as feeling like sandpaper underfoot, or notice that the water looks cloudy no matter how much the chemistry is corrected.
Distinguishing normal aging from a surface that is finished is the practical question, and pool resurfacing is the answer only at a certain point. A surface with light staining and even color usually responds to an acid wash and a chemistry reset. A surface with exposed aggregate over broad areas, hollow spots that sound different when tapped, spider cracking, or plaster that has separated from the shell is past the point where any surface treatment holds. Adam's Pool and Spa Service details the difference at adamspoolandspa.com/pool-resurfacing.
"Heat does not crack a pool by itself, but it speeds up everything that does," said Adam Aguirre, founder of Adam's Pool and Spa Service. "A long hot stretch means more evaporation, more chemical correction, and more swing in the water. A surface with ten good years left handles that fine. A surface already at the end of its life gives up during a summer like this one, and the owner reads it as a chemistry problem when it is really a plaster problem."
Timing also works against a rushed decision. Resurfacing requires draining the pool, and draining a pool in extreme heat carries its own considerations, including hydrostatic pressure from groundwater and the effect of direct sun on a dry shell. Work planned for the shoulder season, once daytime temperatures ease, generally gives a new finish better curing conditions than a mid-heatwave drain does.
Finish selection matters as much as timing. Standard white plaster remains the most common choice and the most economical, and it typically carries the shortest service life of the available options. Quartz and pebble finishes cost more at the outset and hold their surface longer against the chemical cycling that a Southern California summer produces. Adam's Pool and Spa Service walks owners through that tradeoff, along with the related question of whether tile and coping should be addressed in the same project, and covers the plaster process at adamspoolandspa.com/pool-replastering.
The company suggests that owners who fought a persistent chemistry battle through the early-August heat treat it as a signal worth investigating rather than a run of bad luck. A surface inspection while the pool is still in season costs nothing but time, and it separates the pools that need a chemistry adjustment from the ones that need a new finish before another summer runs through them.
Homeowners across Long Beach and the surrounding southeast Los Angeles County area can review service details and request an inspection at adamspoolandspa.com.
About Adam's Pool and Spa Service Adam's Pool and Spa Service is a full-service Long Beach pool company providing weekly pool cleaning, water chemistry balancing, equipment repair, filter and heater service, lap pool installation, custom pool design, and complete pool resurfacing for residential and commercial clients. Founded by Adam Aguirre, who has spent fifteen years working on Long Beach pools, the company serves homeowners, apartment complexes, HOAs, hotels, and community pools across Long Beach, Bellflower, Lakewood, Cypress, Seal Beach, and the surrounding southeast Los Angeles County area.
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For more information about Adam's Pool and Spa Service, contact the company here:
Adam's Pool and Spa Service
Adam
(562) 522-2203
adamspoolandspaservice@yahoo.com
910 E 72nd St, Long Beach, CA 90805, United States
